ACTUAL COSTS AND CAPACITY OF GASWORKS. 2J7 



Boundary wall. When erected, the cost of a boundary 

 wall 800 feet long, 6 feet high, formed of 9 inch brickwork, 

 with i4-inch pillars every 12 feet, double-nosed bricks on 

 top, 6-inch concrete foundations and two courses of 

 footings, will be .196. 



Water service. In addition to the supply pipe from 

 brook to storage tank, water pipes are laid from the storage 

 tank to water bosh supplying producer bars, to top of 

 scrubber, to station meter, to gasholder tank, to workshop 

 or showroom, and to boiler injector. 



Lighting. The following are the lighting arrange- 

 ments : Office, two ceiling and two wall brackets ; work- 

 shop, four wall brackets ; retort house, three wall brackets 

 above charging floor and three below ; for lighting boiler, 

 one inverted lamp is attached to retort house ; exhauster 

 house, two lights fixed to wall, one connected to purifier 

 outlet, and the other to gasholder outlet ; governor house, 

 one wall light. 



NOTE. The cost of water supply and gas lighting is 

 added to each respective building or plant. 



General. The governor, station meter, boiler, and two 

 overhead storage tanks were good second-hand ; the rest 

 of the plant was new. 



All the concrete used in the foundations consists of i 

 part best portland cement and 6 parts broken bricks or 

 sand, with no materials of more than 2 inches cube. 



The staled cost for exhauster house, governor house and 

 office and showroom includes provision of all windows 

 and glazing, spouting, of 7-inch by 3-inch wood, and one fall 

 pipe on each side wall. 



A suitable damp course of bitumen is built in with the 

 wall of each building. 



In consequence of the gradient from east to west falling 

 i in 16, it was necessary, after the completion of the build- 

 ings and the erection of plant, to do a certain amount of 

 levelling up. In addition to this, a substantial cart road 

 was constructed leading from the retort house to the 

 bridge, and from the weighbridge to the roadway 

 adjoining the works. This road was formed, after level- 

 ling, of 9 inches pitching and 3 inches of macadam. A 



